Peliosis hepatis is characterized by the presence in the liver of blood-filled cavities, which may or may not be lined with sinusoidal cells. The individual cysts or cavities usually do not exceed several centimeters in diameter. The cysts are typically continuous with adjacent, more normal sinusoids, and they sometimes can be seen in continuity with hepatic venous tributaries. The lesion is usually diagnosed by gross or microscopic examination. When suspected, it can be diagnosed by percutaneous liver biopsy. In the past, peliosis hepatis is primarily associated with wasting diseases, such as tuberculosis, malignancy, and chronic suppurative infection. However, recently peliosis hepatis is seen most commonly in association with the administration of anabolic steroids or HIV infection. We report a case of peliosis hepatis that is diagnosed by peritoneoscopic live biopsy and not associated with known disease.
Biopsy* ; HIV Infections ; Laparoscopy ; Liver* ; Peliosis Hepatis* ; Steroids ; Tuberculosis ; Wasting Syndrome

BACKGROUND: The epidemiologic and clinical features of HIV infection/AIDS are different among various races, regions, and countries. To determine the epidemiologic and clinical characteristics of HIV infection in Korea, we analyzed and compared with that of other populations. METHODS: Medical records of 176 HIV-infected persons in Severance Hospital of Yonsei University College of Medicine and Hospital of Pusan University College of Medicine from year 1985 to 2000 were reviewed retrospectively. RESULTS: One hundred and seventy six patients were analyzed among which 156 (88.6%) were male and 20 (11.4%) were female with a male to female ratio of 7.8:1. At the time of diagnosis, the age distribution was 78 cases (44.3%) in the thirties, 44 cases (25.0%) in the twenties, and 35 cases (19.9%) in the fourties, and the mean age was 35.9+/-9.3. Heterosexual contact was the most frequent transmission route (92 cases, 52.3%), and 42 cases (23.9%) were transmitted by homosexual contact. At initial visit, asymptomatic HIV infection constituted 75 cases (42.6%), and AIDS 72 cases (40.9%). At initial visit, mean value of CD4+ lymphocyte counts was 252/mm3 and HIV RNA 226,035 copies/mm3. One hundred and twenty one of 176 patients developed 317 cases of opportunistic diseases. At the diagnosis of HIV-related opportunistic diseases, mean CD4+ lymphocyte count was 140/mm3 and mean HIV RNA 347,403 copies/mm3. Candidiasis (50 cases, 28.4%) was the most frequent opportunistic disease followed by pneumocystis carinii pneumonia (PCP) (37 cases, 21.0%), tuberculosis (29 cases, 16.5%), cytomegalovirus (CMV) infection (21 cases, 11.9%), HIV encephalopathy (9 cases, 5.1%), and herpes zoster (9 cases, 5.1%). There were 3 cases (1.7%) of malignant lymphoma and 2 cases (1.1%) of Kaposi's sarcoma. At the diagnosis of opportunistic diseases, mean CD4+ lymphocyte counts of patients with candidiasis was 71/mm3, PCP 63/mm3, and tuberculosis 142/mm3, and the mean HIV RNA level was 338,474 copies/mm3, 281,967 copies/mm3, and 817,012 copies/mm3 respectively. Among the 317 opportunistic diseases, AIDS-defining diseases were 150 cases (47.3%), of which PCP was 37 cases (24.7%), tuberculosis 29 cases (19.3%), CMV infection 21 cases (14.0%), HIV wasting syndrome 15 cases (10.0%), and esophageal candidiasis 14 cases (9.3%). The earliest AIDS-defining diseases to manifest in AIDS patients were tuberculosis (25 cases, 33.3%), followed by PCP (17 cases, 22.6%), esophageal candidiasis (14 cases, 18.7%), CMV infection (5 cases, 6.6%), and HIV wasting syndrome (4 cases, 5.3%). Thirty five (19.9%) of 176 patients were died. The common causes of death were tuberculosis (9 cases, 25.7%), PCP (9 cases, 25.7%), bacterial pneumonia (7 cases, 20.0%) and HIV encephalopathy (3 cases, 8.5%). CONCLUSION: The epidemiologic and clinical features of HIV infection/AIDS in Korea are different from that of developing countries such as Southeast Asia and Africa as well as from that of developed countries.
Africa ; Age Distribution ; AIDS Dementia Complex ; Asia, Southeastern ; Busan ; Candidiasis ; Cause of Death ; Continental Population Groups ; Cytomegalovirus ; Developed Countries ; Developing Countries ; Diagnosis ; Epidemiology ; Female ; Herpes Zoster ; Heterosexuality ; HIV Infections ; HIV Wasting Syndrome ; HIV* ; Homosexuality ; Humans ; Korea ; Lymphocyte Count ; Lymphoma ; Male ; Medical Records ; Pneumonia, Bacterial ; Pneumonia, Pneumocystis ; Retrospective Studies ; RNA ; Sarcoma, Kaposi ; Tuberculosis

Neuromyelitis optica spectrum disorder (NMOSD) may present with area postrema syndrome, which is characterized by intractable vomiting and hiccups. Hyponatremia is common in NMOSD and is mostly associated with the syndrome of inappropriate antidiuretic hormone secretion (SIADH). In contrast to SIADH, cerebral salt wasting syndrome (CSWS) causes hyponatremia, which is associated with severe natriuresis and extracellular volume depletion in patients with cerebral disease. To our knowledge, hyponatremia associated with CSWS has not been reported in a patient with NMOSD. Here, we describe a NMOSD presenting with hyponatremia, which may be caused by CSWS following area postrema syndrome.
Area Postrema ; Hiccup ; Humans ; Hyponatremia ; Inappropriate ADH Syndrome ; Natriuresis ; Neuromyelitis Optica* ; Vomiting ; Wasting Syndrome*

The authors report a case of cerebral salt wasting(CSW) syndrome followed by diabetes insipidus and meningitis after transsphenoidal approach for pituitary adenoma. Fluid and electrolyte imbalance occurs occasionally in neurosurgical patients due to DI or SIADH, however, CSW is different disease entity and the methods of treatment are different from those of DI or SIADH. A number of studies in recent years have shown that hyponatremia in many patients with intracranial disease might actually be caused by CSW in which a renal loss of sodium leads to hyponatremia and massive urinary water loss. CSW of this patient was resolved by fluid and salt replacement after 6 months.
Diabetes Insipidus ; Humans ; Hyponatremia ; Inappropriate ADH Syndrome ; Meningitis* ; Meningitis, Bacterial ; Pituitary Neoplasms* ; Pseudomonas* ; Sodium ; Wasting Syndrome*

Although hyponatremia is a common electrolyte disorder, its evaluation and management are not well defined. When diagnosed, hyponatremia should be categorized based on four criteria: volume status, urinary Na+, serum K+, and acid-base balance. This approach helps to determine what the cause of hyponatremia is and how it should be treated. Initially, hypovolemic hyponatremia, including cerebral salt wasting syndrome (CSWS), is treated by volume resuscitation and salt supplementation. Euvolemic hyponatremia, including the syndrome of inappropriate secretion of antidiuretic hormone (SIADH), is treated by fluid restriction and salt supplementation, and hypervolemic hyponatremia is treated by fluid restriction and salt restriction. Hyponatremia can be managed well using these primary treatments and medications.
Acid-Base Equilibrium ; Hyponatremia ; Hypovolemia ; Inappropriate ADH Syndrome ; Resuscitation ; Wasting Syndrome

Hyponatremia is frequently seen in intracranial hemorrhagic patients and has been often attributed to inappropriate secretion of antidiuretic hormone. But in recent years, a number of studies have shown that hyponatremia in many patients with intracranial disease may actually be caused by cerebral salt wasting (CSW) syndrome and circulating Atrial natriuretic peptide (ANP) and Brain natriuretic peptide (BNP) are probably involved. This report describes a patient who developed bacterial meningites caused by pseudomonas aeruginosa and CSW syndrome after removal of pituitary adenoma. CSW syndrome resolved by fluid and salt replacement after 4 months.
Humans ; Hyponatremia ; Meningitis* ; Meningitis, Bacterial ; Natriuretic Peptide, Brain ; Pituitary Neoplasms* ; Pseudomonas aeruginosa ; Pseudomonas* ; Wasting Syndrome*

Hyponatremia in patients with central nervous system disorders is suggestive of the syndrome of inappropriate secretion of antidiuretic hormone (SIADH), and volume restriction is recommended for its correction. However, if volume depletion is present in a situation otherwise compatible with SIADH, cerebral salt wasting syndrome (CSWS) should be considered as the cause of the hyponatremia to avoid hypovolemic shock that may be induced by the standard management of SIADH, i.e. volume restriction. We present a case of a 17-year-old male patient with CSWS associated with tuberculous meningitis. The clinical feature of the patient comprised hyponatremia, excessive natriuresis, polyuria, and hypovolemia. Following the administration of saline and fludrocortisone, natriuresis and polyuria were decreased, and the hyponatremia improved
Adolescent ; Central Nervous System Diseases ; Fludrocortisone ; Humans ; Hyponatremia ; Hypovolemia ; Inappropriate ADH Syndrome ; Male ; Natriuresis ; Polyuria ; Shock ; Tuberculosis, Meningeal* ; Wasting Syndrome*

Hyponatremia is commonly seen in those patients with central nervous system injury associated with infection or trauma. And decreasing intracranial pressure through restriction of maintenance fluid and salt is practiced as a routine therapeutic measure in the early stages of meningitis to prevent or ameliorate the syndrome of inappropriate secretion of antidiuretic hormone(SIADH). However, lots of patient do not show the typical symptoms of SIADH, instead they are dehydrated, have low plasma volume, increased urine sodium concentration and increased net sodium loss, which are the symptoms of cerebral salt wasting syndrome(CSW). Recent reports have prompted a reconsideration of CSW distinct from SIADH and moreover CSW has more proportion of hyponatremia associated with acute brain insult. CSW involves renal salt loss leading to hyponatremia and volume loss, whereas SIADH is a euvolemic or hypervolemic condition. While fluid restriction is the treatment of choice in SIADH, the treatment of CSW consists of vigorous sodium and volume replacement. And by correcting hyponatremic state as soon as possible, we can reduce mortality rate and improve neurologic sequelae. We report a case of CSW which was treated by replacement of vigorous sodium and volume replacement.
Brain ; Central Nervous System ; Child* ; Humans ; Hyponatremia ; Inappropriate ADH Syndrome ; Intracranial Pressure ; Meningitis* ; Mortality ; Plasma Volume ; Sodium ; Wasting Syndrome*

Postweaning multisystemic wasting syndrome (PMWS), which was first identified in western Canada in 1991 and more recently in the United States, Europe and Asia, is an emerging disease in pigs. Porcine circovirus type 2 (PCV-2) is the primary infectious viral agent causing PMWS, but the full expression of the disease may require the presence of other agents. It is reported that there is apparent synergism between PCV-2 and porcine parvovirus (PPV) in increasing the severity of the clinical signs and lesions of PMWS. From January 2006 to May 2008, a total of the 154 lymph node samples were collected from 4~12 weeks old pigs which had been submitted to the College of Veterinary Medicine, Jeju National University, Korea. These pigs were diagnosed as PMWS on the basis of clinical and pathological examination from 48 commercial herds in Jeju Island. Based on the immunohistochemistry, porcine parvovirus was detected in 69 cases (44.8%) from 154 weaned or grower pigs. PPV antigens were detected in the cytoplasm of histiocytic cells multifocally infiltrated in the cortex and paracortex of lymph nodes. The results of this study clarify that PPV is prevalent in pigs with PMWS on Jeju Island. Therefore PPV is one of the most important co-agents in the development of naturally acquired PMWS. This study may be helpful to the control of this disease and to epidemiological aspects.
Asia ; Canada ; Circovirus ; Coinfection ; Cytoplasm ; Europe ; Immunohistochemistry ; Korea ; Lymph Nodes ; Parvovirus, Porcine ; Prevalence ; Swine ; United States ; Veterinary Medicine ; Wasting Syndrome

Hyponatremia following the subarachnoid hemorrhage has been attributed to the syndrome of inappropriate secretion antidiuretic hormone or salt wasting syndrome. Recently discovered atrial natriuretic peptide(ANP) is known to contol sodium and extracellular fluid homeostasis by increasing renal excretion of sodium. To investigate whether the hyponatremia following the subarachnoid hemorrhage(SAH) is due to changes in plasma ANP, plasma ANP, serum sodium concentration and central venous pressure were measured in 10 patients(CSF ANP as well in some patients) with subarachnoid hemorrhage. The results obtained were as follows. 1) Plasma ANP concentration increased during the acute stage of SAH, being recovered to control levels after 8 days of SAH. 2) ANP concentration was significantly higher in plasma than in CSF. 3) No significant correlation was noted between the plasma ANP and CVP or serum sodium concentration. These results suggest that ANP is not involved in the development of hyponatremia during the acute stage of SAH.
Atrial Natriuretic Factor ; Central Venous Pressure ; Extracellular Fluid ; Homeostasis ; Humans ; Hyponatremia ; Plasma ; Sodium ; Subarachnoid Hemorrhage* ; Wasting Syndrome